Index insightsCancer stocks rebound, outpacing broader markets in Q3 2025The BioWorld Cancer Index closed the third quarter (Q3) of 2025 with a 24.15% gain, marking its highest level of the year. The climb reversed earlier declines, including a 12.81% drop at the end of Q1, and half-year performance of 2.21%. Broader markets showed a similar rebound, with the Nasdaq Biotechnology Index up 13.21% and the Dow Jones Industrial Average rising 9.06%, both finishing Q3 at their highest points of 2025.